<template>
  <div class="wrapper">
    <swiper :options="swiperOption" v-if="showSwiper"><!--v-if解决轮播图默认最后一张图片的问题-->
      <!-- slides -->
      <swiper-slide v-for="item of swiperList" :key="item.id">
        <img class="swiper-img" :src="item.imgUrl"/>
      </swiper-slide>
      <!-- Optional controls -->
      <div class="swiper-pagination"  slot="pagination"></div>
    </swiper>
  </div>
</template>

<script>
export default {
  name: 'HomeSwiper',
  props: {
    swiperList: Array
  },
  data () {
    return {
      swiperOption: {
        pagination: '.swiper-pagination', // 轮播分页配置项--白点
        loop: true // 循环轮播
      }
    }
  },
  computed: {
    showSwiper () {
      return this.swiperList.length
    }
  }
}
</script>

<style lang="stylus" scoped>
  .wrapper >>> .swiper-pagination-bullet-active // 样式穿透,当前组件的样式作用于其子组件
    background: #fff !important
  .wrapper
    // 图片长宽自适应设置
    overflow: hidden
    width: 100%
    height:0
    padding-bottom: 26.67%
    background: #eee
  .swiper-img
    width: 100%
</style>
